SAE/AISI 1008 Carbon Steel (UNS G10080)
SAE/AISI 1008 is a low-carbon steel prized for its exceptional formability, weldability, and cost-effectiveness. While it lacks the strength of higher-carbon steels, its ductility and ease of fabrication make it ideal for automotive panels, electrical enclosures, and construction components.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 99.31% | 99.70% |
| Carbon | —— | 0.10% |
| Manganese | 0.30% | 0.50% |
| Phosphorus | —— | 0.04% |
| Sulfur | —— | 0.05% |
The following table provides a list of SAE/AISI 1008 properties in both SI and US customary/Imperial units.
Click on the button to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7872 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 300 - 360 MPa |
| Tensile Strength (Yield) | 180 - 300 MPa |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 160 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | 20% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 95 |
| Thermal Properties | Metric |
| Thermal Conductivity | 65 W/m·K |
| Specific Heat Capacity (Cp) | 481 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.26×10-5 1/°C |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of 1008 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Cost effective | Low strength |
| Excellent formability | Limited hardness and wear resistance |
| Good weldability | Susceptible to corrosion |
Applications of 1008 Carbon Steel
AISI 1008 carbon steel finds applications in various industries and products, particularly those that prioritize formability, weldability, and cost-effectiveness over high strength or specialized properties. Key applications include:
- Automotive industry: Used in the manufacturing of automotive parts such as body panels, brackets, hinges, and reinforcements. Its excellent formability allows for the production of complex shapes and tight tolerances.
- Electrical components: Found in electrical enclosures, switchgear cabinets, and junction boxes due to good formability and weldability. It provides a cost-effective solution for housing electrical equipment.
- Tubing and pipes: Utilized in the manufacturing of mild steel tubes and pipes for various applications. Its formability allows for easy bending and shaping to meet specific requirements.
- Wire products: Commonly used in the production of wire products such as mesh, fencing, nails, and screws. The excellent cold-forming properties enable the production of wire with consistent diameters and smooth surfaces.
- Construction: May be used in non-structural components of buildings, including roofing materials, cladding, and interior fixtures. The formability and cost-effectiveness make it a viable option for such applications.